Vulnerability · Published Jul 8, 2025 · Assigned by CERTVDE
CVE-2025-24003MQTT OOB Write Vulnerability in EichrechtAgents of German EV Charging Stations
High 8.2
In plain English
A high-severity buffer overflow in CHARX SEC-3000 from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential denial-of-service for these stations.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Phoenix Contact | CHARX SEC-3150 | 0.0.0 – through 1.6.5 |
| Phoenix Contact | CHARX SEC-3100 | 0.0.0 – through 1.6.5 |
| Phoenix Contact | CHARX SEC-3050 | 0.0.0 – through 1.6.5 |
| Phoenix Contact | CHARX SEC-3000 | 0.0.0 – through 1.6.5 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H